73890974 has 4 divisors (see below), whose sum is σ = 110836464. Its totient is φ = 36945486.

The previous prime is 73890967. The next prime is 73890989. The reversal of 73890974 is 47909837.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18472742 + ... + 18472745.

It is an arithmetic number, because the mean of its divisors is an integer number (27709116).

Almost surely, 2^73890974 is an apocalyptic number.

73890974 is a deficient number, since it is larger than the sum of its proper divisors (36945490).

73890974 is a wasteful number, since it uses less digits than its factorization.

73890974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36945489.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 73890974 is about 8595.9859236739. The cubic root of 73890974 is about 419.6273603321.

The spelling of 73890974 in words is "seventy-three million, eight hundred ninety thousand, nine hundred seventy-four".