100074731 has 2 divisors, whose sum is σ = 100074732. Its totient is φ = 100074730.

The previous prime is 100074701. The next prime is 100074757. The reversal of 100074731 is 137470001.

It is a strong prime.

It is an emirp because it is prime and its reverse (137470001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100074731 is a prime.

It is a super-2 number, since 2×100074731² = 20029903569444722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 100074697 and 100074706.

It is not a weakly prime, because it can be changed into another prime (100074701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50037365 + 50037366.

It is an arithmetic number, because the mean of its divisors is an integer number (50037366).

Almost surely, 2^100074731 is an apocalyptic number.

100074731 is a deficient number, since it is larger than the sum of its proper divisors (1).

100074731 is an equidigital number, since it uses as much as digits as its factorization.

100074731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 100074731 is about 10003.7358521704. The cubic root of 100074731 is about 464.2744780961.

The spelling of 100074731 in words is "one hundred million, seventy-four thousand, seven hundred thirty-one".