73904331 has 4 divisors (see below), whose sum is σ = 98539112. Its totient is φ = 49269552.

The previous prime is 73904317. The next prime is 73904377. The reversal of 73904331 is 13340937.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73904331 - 2²² = 69710027 is a prime.

It is a super-2 number, since 2×73904331² = 10923700281115122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73904231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12317386 + ... + 12317391.

It is an arithmetic number, because the mean of its divisors is an integer number (24634778).

Almost surely, 2^73904331 is an apocalyptic number.

73904331 is a deficient number, since it is larger than the sum of its proper divisors (24634781).

73904331 is a wasteful number, since it uses less digits than its factorization.

73904331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24634780.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 73904331 is about 8596.7628209693. The cubic root of 73904331 is about 419.6526436410.

The spelling of 73904331 in words is "seventy-three million, nine hundred four thousand, three hundred thirty-one".