74701816 has 64 divisors (see below), whose sum is σ = 169850880. Its totient is φ = 30119040.

The previous prime is 74701801. The next prime is 74701843. The reversal of 74701816 is 61810747.

It is a super-2 number, since 2×74701816² = 11160722627395712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63651 + ... + 64813.

It is an arithmetic number, because the mean of its divisors is an integer number (2653920).

Almost surely, 2^74701816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74701816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84925440).

74701816 is an abundant number, since it is smaller than the sum of its proper divisors (95149064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74701816 is a wasteful number, since it uses less digits than its factorization.

74701816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 74701816 is about 8643.0212310280. The cubic root of 74701816 is about 421.1567056176.

The spelling of 74701816 in words is "seventy-four million, seven hundred one thousand, eight hundred sixteen".