76749090 has 48 divisors (see below), whose sum is σ = 202474944. Its totient is φ = 18604960.

The previous prime is 76749077. The next prime is 76749107. The reversal of 76749090 is 9094767.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6942 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (4218228).

Almost surely, 2^76749090 is an apocalyptic number.

76749090 is an abundant number, since it is smaller than the sum of its proper divisors (125725854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76749090 is a wasteful number, since it uses less digits than its factorization.

76749090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21175 (or 21164 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 76749090 is about 8760.6557973704. The cubic root of 76749090 is about 424.9694833913.

The spelling of 76749090 in words is "seventy-six million, seven hundred forty-nine thousand, ninety".