74121154 has 8 divisors (see below), whose sum is σ = 111222540. Its totient is φ = 37046976.

The previous prime is 74121143. The next prime is 74121163. The reversal of 74121154 is 45112147.

It can be written as a sum of positive squares in 2 ways, for example, as 71487025 + 2634129 = 8455^2 + 1623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2622 + ... + 12454.

Almost surely, 2^74121154 is an apocalyptic number.

74121154 is a deficient number, since it is larger than the sum of its proper divisors (37101386).

74121154 is a wasteful number, since it uses less digits than its factorization.

74121154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604.

The product of its digits is 1120, while the sum is 25.

The square root of 74121154 is about 8609.3643203201. The cubic root of 74121154 is about 420.0626399392.

The spelling of 74121154 in words is "seventy-four million, one hundred twenty-one thousand, one hundred fifty-four".