77412038 has 16 divisors (see below), whose sum is σ = 126849024. Its totient is φ = 35138760.

The previous prime is 77412037. The next prime is 77412077. The reversal of 77412038 is 83021477.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77411995 and 77412013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77412031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17531 + ... + 21497.

It is an arithmetic number, because the mean of its divisors is an integer number (7928064).

Almost surely, 2^77412038 is an apocalyptic number.

77412038 is a deficient number, since it is larger than the sum of its proper divisors (49436986).

77412038 is a wasteful number, since it uses less digits than its factorization.

77412038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 77412038 is about 8798.4111065578. The cubic root of 77412038 is about 426.1895862412.

It can be divided in two parts, 7741 and 2038, that added together give a palindrome (9779).

The spelling of 77412038 in words is "seventy-seven million, four hundred twelve thousand, thirty-eight".