73023890 has 16 divisors (see below), whose sum is σ = 134500608. Its totient is φ = 28530096.

The previous prime is 73023889. The next prime is 73023901. The reversal of 73023890 is 9832037.

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, 84482 + ... + 85341.

It is an arithmetic number, because the mean of its divisors is an integer number (8406288).

Almost surely, 2^73023890 is an apocalyptic number.

73023890 is a deficient number, since it is larger than the sum of its proper divisors (61476718).

73023890 is a wasteful number, since it uses less digits than its factorization.

73023890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169873.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 73023890 is about 8545.4016874574. The cubic root of 73023890 is about 417.9795057220.

The spelling of 73023890 in words is "seventy-three million, twenty-three thousand, eight hundred ninety".