772352442 has 32 divisors (see below), whose sum is σ = 1721966400. Its totient is φ = 256606704.

The previous prime is 772352423. The next prime is 772352453. The reversal of 772352442 is 244253277.

It is a happy number.

772352442 is a `hidden beast` number, since 77 + 23 + 524 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 772352397 and 772352406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6717 + ... + 39872.

It is an arithmetic number, because the mean of its divisors is an integer number (53811450).

Almost surely, 2^772352442 is an apocalyptic number.

772352442 is an abundant number, since it is smaller than the sum of its proper divisors (949613958).

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

772352442 is a wasteful number, since it uses less digits than its factorization.

772352442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46907 (or 46901 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 772352442 is about 27791.2295877674. The cubic root of 772352442 is about 917.4981023405.

The spelling of 772352442 in words is "seven hundred seventy-two million, three hundred fifty-two thousand, four hundred forty-two".