73290957 has 16 divisors (see below), whose sum is σ = 99606528. Its totient is φ = 47925360.

The previous prime is 73290941. The next prime is 73290967. The reversal of 73290957 is 75909237.

It is not a de Polignac number, because 73290957 - 2⁴ = 73290941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73290937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46728 + ... + 48270.

It is an arithmetic number, because the mean of its divisors is an integer number (6225408).

Almost surely, 2^73290957 is an apocalyptic number.

It is an amenable number.

73290957 is a deficient number, since it is larger than the sum of its proper divisors (26315571).

73290957 is a wasteful number, since it uses less digits than its factorization.

73290957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 73290957 is about 8561.0137834254. The cubic root of 73290957 is about 418.4884383640.

It can be divided in two parts, 73290 and 957, that added together give a palindrome (74247).

The spelling of 73290957 in words is "seventy-three million, two hundred ninety thousand, nine hundred fifty-seven".