73960139 has 6 divisors (see below), whose sum is σ = 80714916. Its totient is φ = 67210560.

The previous prime is 73960127. The next prime is 73960147. The reversal of 73960139 is 93106937.

It is not a de Polignac number, because 73960139 - 2⁴ = 73960123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73960189) 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, 27227 + ... + 29819.

It is an arithmetic number, because the mean of its divisors is an integer number (13452486).

Almost surely, 2^73960139 is an apocalyptic number.

73960139 is a deficient number, since it is larger than the sum of its proper divisors (6754777).

73960139 is an frugal number, since it uses more digits than its factorization.

73960139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 73960139 is about 8600.0080813916. The cubic root of 73960139 is about 419.7582490084.

The spelling of 73960139 in words is "seventy-three million, nine hundred sixty thousand, one hundred thirty-nine".