73097919 has 6 divisors (see below), whose sum is σ = 105585896. Its totient is φ = 48731940.

The previous prime is 73097917. The next prime is 73097923. The reversal of 73097919 is 91979037.

It is not a de Polignac number, because 73097919 - 2¹ = 73097917 is a prime.

It is a super-2 number, since 2×73097919² = 10686611524261122, 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 (73097917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4060987 + ... + 4061004.

Almost surely, 2^73097919 is an apocalyptic number.

73097919 is a deficient number, since it is larger than the sum of its proper divisors (32487977).

73097919 is a wasteful number, since it uses less digits than its factorization.

73097919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121997 (or 8121994 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 73097919 is about 8549.7321010661. The cubic root of 73097919 is about 418.1207022288.

The spelling of 73097919 in words is "seventy-three million, ninety-seven thousand, nine hundred nineteen".