74874055 has 12 divisors (see below), whose sum is σ = 91814760. Its totient is φ = 58616144.

The previous prime is 74874049. The next prime is 74874061. The reversal of 74874055 is 55047847.

It is an interprime number because it is at equal distance from previous prime (74874049) and next prime (74874061).

It is not a de Polignac number, because 74874055 - 2¹⁹ = 74349767 is a prime.

It is a super-2 number, since 2×74874055² = 11212248224286050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74873999 and 74874017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7656 + ... + 14434.

It is an arithmetic number, because the mean of its divisors is an integer number (7651230).

Almost surely, 2^74874055 is an apocalyptic number.

74874055 is a deficient number, since it is larger than the sum of its proper divisors (16940705).

74874055 is an equidigital number, since it uses as much as digits as its factorization.

74874055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878 (or 6831 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 74874055 is about 8652.9795446424. The cubic root of 74874055 is about 421.4801423326.

The spelling of 74874055 in words is "seventy-four million, eight hundred seventy-four thousand, fifty-five".