73455797 has 4 divisors (see below), whose sum is σ = 73494336. Its totient is φ = 73417260.

The previous prime is 73455791. The next prime is 73455799. The reversal of 73455797 is 79755437.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79755437 = 97 ⋅822221.

It is a cyclic number.

It is not a de Polignac number, because 73455797 - 2²⁴ = 56678581 is a prime.

It is a super-2 number, since 2×73455797² = 10791508225810418, 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 (73455791) 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, 16253 + ... + 20274.

It is an arithmetic number, because the mean of its divisors is an integer number (18373584).

Almost surely, 2^73455797 is an apocalyptic number.

It is an amenable number.

73455797 is a deficient number, since it is larger than the sum of its proper divisors (38539).

73455797 is a wasteful number, since it uses less digits than its factorization.

73455797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38538.

The product of its digits is 926100, while the sum is 47.

The square root of 73455797 is about 8570.6357407138. The cubic root of 73455797 is about 418.8019467152.

The spelling of 73455797 in words is "seventy-three million, four hundred fifty-five thousand, seven hundred ninety-seven".