73940906 has 32 divisors (see below), whose sum is σ = 126741888. Its totient is φ = 32091840.

The previous prime is 73940887. The next prime is 73940953. The reversal of 73940906 is 60904937.

It is a self number, because there is not a number n which added to its sum of digits gives 73940906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35465 + ... + 37491.

It is an arithmetic number, because the mean of its divisors is an integer number (3960684).

Almost surely, 2^73940906 is an apocalyptic number.

73940906 is a deficient number, since it is larger than the sum of its proper divisors (52800982).

73940906 is a wasteful number, since it uses less digits than its factorization.

73940906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 73940906 is about 8598.8898120630. The cubic root of 73940906 is about 419.7218604420.

The spelling of 73940906 in words is "seventy-three million, nine hundred forty thousand, nine hundred six".