73725051 has 32 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 45584000.

The previous prime is 73725017. The next prime is 73725061. The reversal of 73725051 is 15052737.

It is a cyclic number.

It is not a de Polignac number, because 73725051 - 2²³ = 65336443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73725061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494725 + ... + 494873.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^73725051 is an apocalyptic number.

73725051 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

73725051 is a deficient number, since it is larger than the sum of its proper divisors (32028549).

73725051 is a wasteful number, since it uses less digits than its factorization.

73725051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 73725051 is about 8586.3293088490. The cubic root of 73725051 is about 419.3130323114.

Adding to 73725051 its reverse (15052737), we get a palindrome (88777788).

The spelling of 73725051 in words is "seventy-three million, seven hundred twenty-five thousand, fifty-one".