77412092 has 24 divisors (see below), whose sum is σ = 137295312. Its totient is φ = 38188800.

The previous prime is 77412091. The next prime is 77412121. The reversal of 77412092 is 29021477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77412091) 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, 125978 + ... + 126590.

It is an arithmetic number, because the mean of its divisors is an integer number (5720638).

Almost surely, 2^77412092 is an apocalyptic number.

It is an amenable number.

77412092 is a deficient number, since it is larger than the sum of its proper divisors (59883220).

77412092 is a wasteful number, since it uses less digits than its factorization.

77412092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 77412092 is about 8798.4141752932. The cubic root of 77412092 is about 426.1896853396.

The spelling of 77412092 in words is "seventy-seven million, four hundred twelve thousand, ninety-two".