73997499 has 4 divisors (see below), whose sum is σ = 98663336. Its totient is φ = 49331664.

The previous prime is 73997491. The next prime is 73997519. The reversal of 73997499 is 99479937.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73997499 - 2³ = 73997491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73997491) 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, 12332914 + ... + 12332919.

It is an arithmetic number, because the mean of its divisors is an integer number (24665834).

Almost surely, 2^73997499 is an apocalyptic number.

73997499 is a deficient number, since it is larger than the sum of its proper divisors (24665837).

73997499 is a wasteful number, since it uses less digits than its factorization.

73997499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24665836.

The product of its digits is 3857868, while the sum is 57.

The square root of 73997499 is about 8602.1798981421. The cubic root of 73997499 is about 419.8289155800.

The spelling of 73997499 in words is "seventy-three million, nine hundred ninety-seven thousand, four hundred ninety-nine".