77005252 has 12 divisors (see below), whose sum is σ = 141851920. Its totient is φ = 36476136.

The previous prime is 77005249. The next prime is 77005277. The reversal of 77005252 is 25250077.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 77005252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506538 + ... + 506689.

Almost surely, 2^77005252 is an apocalyptic number.

It is an amenable number.

77005252 is a deficient number, since it is larger than the sum of its proper divisors (64846668).

77005252 is a wasteful number, since it uses less digits than its factorization.

77005252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013250 (or 1013248 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 77005252 is about 8775.2636427631. The cubic root of 77005252 is about 425.4417588860.

The spelling of 77005252 in words is "seventy-seven million, five thousand, two hundred fifty-two".