74121356 has 12 divisors (see below), whose sum is σ = 136539480. Its totient is φ = 35110080.

The previous prime is 74121349. The next prime is 74121371. The reversal of 74121356 is 65312147.

It is a super-3 number, since 3×74121356³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487565 + ... + 487716.

It is an arithmetic number, because the mean of its divisors is an integer number (11378290).

Almost surely, 2^74121356 is an apocalyptic number.

74121356 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74121356 is a deficient number, since it is larger than the sum of its proper divisors (62418124).

74121356 is a wasteful number, since it uses less digits than its factorization.

74121356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975304 (or 975302 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 74121356 is about 8609.3760517241. The cubic root of 74121356 is about 420.0630215332.

The spelling of 74121356 in words is "seventy-four million, one hundred twenty-one thousand, three hundred fifty-six".