47690000 has 100 divisors (see below), whose sum is σ = 122023440. Its totient is φ = 18000000.

The previous prime is 47689991. The next prime is 47690029. The reversal of 47690000 is 9674.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×47690000² = 4548672200000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189875 + ... + 190125.

Almost surely, 2^47690000 is an apocalyptic number.

47690000 is a gapful number since it is divisible by the number (40) 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 47690000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61011720).

47690000 is an abundant number, since it is smaller than the sum of its proper divisors (74333440).

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

47690000 is a wasteful number, since it uses less digits than its factorization.

47690000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 47690000 is about 6905.7946682478. The cubic root of 47690000 is about 362.6400568591.

Adding to 47690000 its reverse (9674), we get a palindrome (47699674).

The spelling of 47690000 in words is "forty-seven million, six hundred ninety thousand".