74157401 has 2 divisors, whose sum is σ = 74157402. Its totient is φ = 74157400.

The previous prime is 74157389. The next prime is 74157431. The reversal of 74157401 is 10475147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71910400 + 2247001 = 8480^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 74157401 - 2¹⁰ = 74156377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74157431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37078700 + 37078701.

It is an arithmetic number, because the mean of its divisors is an integer number (37078701).

Almost surely, 2^74157401 is an apocalyptic number.

It is an amenable number.

74157401 is a deficient number, since it is larger than the sum of its proper divisors (1).

74157401 is an equidigital number, since it uses as much as digits as its factorization.

74157401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 74157401 is about 8611.4691545636. The cubic root of 74157401 is about 420.1311023074.

The spelling of 74157401 in words is "seventy-four million, one hundred fifty-seven thousand, four hundred one".