73715020 has 12 divisors (see below), whose sum is σ = 154801584. Its totient is φ = 29486000.

The previous prime is 73715017. The next prime is 73715021. The reversal of 73715020 is 2051737.

It is not an unprimeable number, because it can be changed into a prime (73715021) 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, 1842856 + ... + 1842895.

It is an arithmetic number, because the mean of its divisors is an integer number (12900132).

Almost surely, 2^73715020 is an apocalyptic number.

It is an amenable number.

73715020 is an abundant number, since it is smaller than the sum of its proper divisors (81086564).

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

73715020 is a wasteful number, since it uses less digits than its factorization.

73715020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685760 (or 3685758 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 73715020 is about 8585.7451627683. The cubic root of 73715020 is about 419.2940142628.

Adding to 73715020 its reverse (2051737), we get a palindrome (75766757).

The spelling of 73715020 in words is "seventy-three million, seven hundred fifteen thousand, twenty".