77252026 has 8 divisors (see below), whose sum is σ = 115916724. Its totient is φ = 38613120.

The previous prime is 77252017. The next prime is 77252039. The reversal of 77252026 is 62025277.

It can be written as a sum of positive squares in 2 ways, for example, as 72846225 + 4405801 = 8535^2 + 2099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×77252026² = 11935751042209352, which contains 22 as substring.

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, 5386 + ... + 13546.

Almost surely, 2^77252026 is an apocalyptic number.

77252026 is a deficient number, since it is larger than the sum of its proper divisors (38664698).

77252026 is a wasteful number, since it uses less digits than its factorization.

77252026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12896.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 77252026 is about 8789.3131699809. The cubic root of 77252026 is about 425.8957366414.

The spelling of 77252026 in words is "seventy-seven million, two hundred fifty-two thousand, twenty-six".