74651901 has 8 divisors (see below), whose sum is σ = 99975264. Its totient is φ = 49548240.

The previous prime is 74651873. The next prime is 74651909. The reversal of 74651901 is 10915647.

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

It is not a de Polignac number, because 74651901 - 2⁹ = 74651389 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74651909) 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, 54130 + ... + 55491.

It is an arithmetic number, because the mean of its divisors is an integer number (12496908).

Almost surely, 2^74651901 is an apocalyptic number.

74651901 is the 5465-th centered pentagonal number.

It is an amenable number.

74651901 is a deficient number, since it is larger than the sum of its proper divisors (25323363).

74651901 is a wasteful number, since it uses less digits than its factorization.

74651901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109851.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 74651901 is about 8640.1331586961. The cubic root of 74651901 is about 421.0628804959.

The spelling of 74651901 in words is "seventy-four million, six hundred fifty-one thousand, nine hundred one".