77425732 has 24 divisors (see below), whose sum is σ = 138983040. Its totient is φ = 37723680.

The previous prime is 77425729. The next prime is 77425781. The reversal of 77425732 is 23752477.

It is a junction number, because it is equal to n+sod(n) for n = 77425691 and 77425700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49807 + ... + 51337.

It is an arithmetic number, because the mean of its divisors is an integer number (5790960).

Almost surely, 2^77425732 is an apocalyptic number.

It is an amenable number.

77425732 is a deficient number, since it is larger than the sum of its proper divisors (61557308).

77425732 is a wasteful number, since it uses less digits than its factorization.

77425732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1849 counting only the distinct ones).

The product of its digits is 82320, while the sum is 37.

The square root of 77425732 is about 8799.1892808372. The cubic root of 77425732 is about 426.2147153909.

The spelling of 77425732 in words is "seventy-seven million, four hundred twenty-five thousand, seven hundred thirty-two".