190073772 has 144 divisors (see below), whose sum is σ = 587059200. Its totient is φ = 50682240.

The previous prime is 190073759. The next prime is 190073813. The reversal of 190073772 is 277370091.

190073772 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190073772² = 72256077604615968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

190073772 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226129 + ... + 226967.

It is an arithmetic number, because the mean of its divisors is an integer number (4076800).

Almost surely, 2^190073772 is an apocalyptic number.

190073772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190073772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293529600).

190073772 is an abundant number, since it is smaller than the sum of its proper divisors (396985428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190073772 is a wasteful number, since it uses less digits than its factorization.

190073772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 190073772 is about 13786.7244840825. The cubic root of 190073772 is about 574.9641031150.

The spelling of 190073772 in words is "one hundred ninety million, seventy-three thousand, seven hundred seventy-two".