772733472 has 48 divisors (see below), whose sum is σ = 2318202432. Its totient is φ = 220780800.

The previous prime is 772733471. The next prime is 772733473. The reversal of 772733472 is 274337277.

It is an interprime number because it is at equal distance from previous prime (772733471) and next prime (772733473).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (772733471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574279 + ... + 575622.

It is an arithmetic number, because the mean of its divisors is an integer number (48295884).

Almost surely, 2^772733472 is an apocalyptic number.

It is an amenable number.

772733472 is an abundant number, since it is smaller than the sum of its proper divisors (1545468960).

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

772733472 is a wasteful number, since it uses less digits than its factorization.

772733472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149921 (or 1149913 counting only the distinct ones).

The product of its digits is 345744, while the sum is 42.

The square root of 772733472 is about 27798.0839627482. The cubic root of 772733472 is about 917.6489561085.

The spelling of 772733472 in words is "seven hundred seventy-two million, seven hundred thirty-three thousand, four hundred seventy-two".