77140496 has 10 divisors (see below), whose sum is σ = 149459742. Its totient is φ = 38570240.

The previous prime is 77140471. The next prime is 77140501. The reversal of 77140496 is 69404177.

It can be written as a sum of positive squares in only one way, i.e., 74580496 + 2560000 = 8636^2 + 1600^2 .

It is a super-2 number, since 2×77140496² = 11901312246252032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410625 + ... + 2410656.

Almost surely, 2^77140496 is an apocalyptic number.

It is an amenable number.

77140496 is a deficient number, since it is larger than the sum of its proper divisors (72319246).

77140496 is a wasteful number, since it uses less digits than its factorization.

77140496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821289 (or 4821283 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 77140496 is about 8782.9662415382. The cubic root of 77140496 is about 425.6906804065.

The spelling of 77140496 in words is "seventy-seven million, one hundred forty thousand, four hundred ninety-six".