77036425 has 12 divisors (see below), whose sum is σ = 96162496. Its totient is φ = 61218000.

The previous prime is 77036419. The next prime is 77036461. The reversal of 77036425 is 52463077.

It is a happy number.

It is not a de Polignac number, because 77036425 - 2⁹ = 77035913 is a prime.

It is a super-2 number, since 2×77036425² = 11869221553561250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6429 + ... + 13978.

Almost surely, 2^77036425 is an apocalyptic number.

It is an amenable number.

77036425 is a deficient number, since it is larger than the sum of its proper divisors (19126071).

77036425 is a wasteful number, since it uses less digits than its factorization.

77036425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20568 (or 20563 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 77036425 is about 8777.0396489933. The cubic root of 77036425 is about 425.4991597620.

The spelling of 77036425 in words is "seventy-seven million, thirty-six thousand, four hundred twenty-five".