73253957 has 4 divisors (see below), whose sum is σ = 83718816. Its totient is φ = 62789100.

The previous prime is 73253933. The next prime is 73253959. The reversal of 73253957 is 75935237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73253957 - 2¹² = 73249861 is a prime.

It is a super-2 number, since 2×73253957² = 10732284432315698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73253959) 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, 5232419 + ... + 5232432.

It is an arithmetic number, because the mean of its divisors is an integer number (20929704).

Almost surely, 2^73253957 is an apocalyptic number.

It is an amenable number.

73253957 is a deficient number, since it is larger than the sum of its proper divisors (10464859).

73253957 is a wasteful number, since it uses less digits than its factorization.

73253957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464858.

The product of its digits is 198450, while the sum is 41.

The square root of 73253957 is about 8558.8525515983. The cubic root of 73253957 is about 418.4180036691.

The spelling of 73253957 in words is "seventy-three million, two hundred fifty-three thousand, nine hundred fifty-seven".