73457051 has 4 divisors (see below), whose sum is σ = 77778072. Its totient is φ = 69136032.

The previous prime is 73456987. The next prime is 73457057. The reversal of 73457051 is 15075437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15075437 = 13 ⋅1159649.

It is a cyclic number.

It is not a de Polignac number, because 73457051 - 2⁶ = 73456987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73456999 and 73457017.

It is not an unprimeable number, because it can be changed into a prime (73457057) 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, 2160485 + ... + 2160518.

It is an arithmetic number, because the mean of its divisors is an integer number (19444518).

Almost surely, 2^73457051 is an apocalyptic number.

73457051 is a deficient number, since it is larger than the sum of its proper divisors (4321021).

73457051 is a wasteful number, since it uses less digits than its factorization.

73457051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321020.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 73457051 is about 8570.7088971683. The cubic root of 73457051 is about 418.8043298929.

The spelling of 73457051 in words is "seventy-three million, four hundred fifty-seven thousand, fifty-one".