73913397 has 8 divisors (see below), whose sum is σ = 98903040. Its totient is φ = 49099680.

The previous prime is 73913381. The next prime is 73913407. The reversal of 73913397 is 79331937.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73913397 - 2⁴ = 73913381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73913317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42997 + ... + 44682.

It is an arithmetic number, because the mean of its divisors is an integer number (12362880).

Almost surely, 2^73913397 is an apocalyptic number.

It is an amenable number.

73913397 is a deficient number, since it is larger than the sum of its proper divisors (24989643).

73913397 is a wasteful number, since it uses less digits than its factorization.

73913397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87963.

The product of its digits is 107163, while the sum is 42.

The square root of 73913397 is about 8597.2900963036. The cubic root of 73913397 is about 419.6698028307.

The spelling of 73913397 in words is "seventy-three million, nine hundred thirteen thousand, three hundred ninety-seven".