74963290 has 16 divisors (see below), whose sum is σ = 135263520. Its totient is φ = 29912080.

The previous prime is 74963281. The next prime is 74963321. The reversal of 74963290 is 9236947.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4756 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (8453970).

Almost surely, 2^74963290 is an apocalyptic number.

74963290 is a deficient number, since it is larger than the sum of its proper divisors (60300230).

74963290 is a wasteful number, since it uses less digits than its factorization.

74963290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18317.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 74963290 is about 8658.1343255923. The cubic root of 74963290 is about 421.6475160593.

The spelling of 74963290 in words is "seventy-four million, nine hundred sixty-three thousand, two hundred ninety".