73740651 has 4 divisors (see below), whose sum is σ = 98320872. Its totient is φ = 49160432.

The previous prime is 73740647. The next prime is 73740659. The reversal of 73740651 is 15604737.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73740651 - 2² = 73740647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73740659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12290106 + ... + 12290111.

It is an arithmetic number, because the mean of its divisors is an integer number (24580218).

Almost surely, 2^73740651 is an apocalyptic number.

73740651 is a deficient number, since it is larger than the sum of its proper divisors (24580221).

73740651 is a wasteful number, since it uses less digits than its factorization.

73740651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24580220.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 73740651 is about 8587.2376815831. The cubic root of 73740651 is about 419.3426053529.

The spelling of 73740651 in words is "seventy-three million, seven hundred forty thousand, six hundred fifty-one".