74138701 has 32 divisors (see below), whose sum is σ = 96638976. Its totient is φ = 55296000.

The previous prime is 74138699. The next prime is 74138707. The reversal of 74138701 is 10783147.

74138701 = T₂₃₈ + T₂₃₉ + ... + T₇₇₀.

It is a 7-Lehmer number, since φ(74138701) divides (74138701-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 74138701 - 2¹ = 74138699 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74138707) 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, 115341 + ... + 115981.

It is an arithmetic number, because the mean of its divisors is an integer number (3019968).

Almost surely, 2^74138701 is an apocalyptic number.

It is an amenable number.

74138701 is a deficient number, since it is larger than the sum of its proper divisors (22500275).

74138701 is a wasteful number, since it uses less digits than its factorization.

74138701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 74138701 is about 8610.3833248004. The cubic root of 74138701 is about 420.0957850320.

The spelling of 74138701 in words is "seventy-four million, one hundred thirty-eight thousand, seven hundred one".