73603964 has 12 divisors (see below), whose sum is σ = 147207984. Its totient is φ = 31544544.

The previous prime is 73603961. The next prime is 73603987. The reversal of 73603964 is 46930637.

It is a happy number.

73603964 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73603961) 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, 1314329 + ... + 1314384.

It is an arithmetic number, because the mean of its divisors is an integer number (12267332).

Almost surely, 2^73603964 is an apocalyptic number.

It is an amenable number.

73603964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73603964 is a wasteful number, since it uses less digits than its factorization.

73603964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628724 (or 2628722 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 73603964 is about 8579.2752607665. The cubic root of 73603964 is about 419.0833447593.

The spelling of 73603964 in words is "seventy-three million, six hundred three thousand, nine hundred sixty-four".