73145996 has 24 divisors (see below), whose sum is σ = 159591936. Its totient is φ = 28498320.

The previous prime is 73145987. The next prime is 73146001. The reversal of 73145996 is 69954137.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 118436 + ... + 119051.

It is an arithmetic number, because the mean of its divisors is an integer number (6649664).

Almost surely, 2^73145996 is an apocalyptic number.

It is an amenable number.

73145996 is an abundant number, since it is smaller than the sum of its proper divisors (86445940).

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

73145996 is a wasteful number, since it uses less digits than its factorization.

73145996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237509 (or 237507 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 73145996 is about 8552.5432474791. The cubic root of 73145996 is about 418.2123490856.

The spelling of 73145996 in words is "seventy-three million, one hundred forty-five thousand, nine hundred ninety-six".