74274151 has 12 divisors (see below), whose sum is σ = 86541048. Its totient is φ = 63560112.

The previous prime is 74274121. The next prime is 74274169. The reversal of 74274151 is 15147247.

It is a de Polignac number, because none of the positive numbers 2^k-74274151 is a prime.

It is a super-3 number, since 3×74274151³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74274121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57525 + ... + 58801.

It is an arithmetic number, because the mean of its divisors is an integer number (7211754).

Almost surely, 2^74274151 is an apocalyptic number.

74274151 is a deficient number, since it is larger than the sum of its proper divisors (12266897).

74274151 is a wasteful number, since it uses less digits than its factorization.

74274151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2471 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 74274151 is about 8618.2452390263. The cubic root of 74274151 is about 420.3514650637.

The spelling of 74274151 in words is "seventy-four million, two hundred seventy-four thousand, one hundred fifty-one".