100074639 has 16 divisors (see below), whose sum is σ = 153923328. Its totient is φ = 56649792.

The previous prime is 100074629. The next prime is 100074649. The reversal of 100074639 is 936470001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100074629) and next prime (100074649).

It is not a de Polignac number, because 100074639 - 2⁵ = 100074607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100074619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20022 + ... + 24515.

It is an arithmetic number, because the mean of its divisors is an integer number (9620208).

Almost surely, 2^100074639 is an apocalyptic number.

100074639 is a deficient number, since it is larger than the sum of its proper divisors (53848689).

100074639 is a wasteful number, since it uses less digits than its factorization.

100074639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44654.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 100074639 is about 10003.7312538872. The cubic root of 100074639 is about 464.2743358248.

The spelling of 100074639 in words is "one hundred million, seventy-four thousand, six hundred thirty-nine".