74000620 has 12 divisors (see below), whose sum is σ = 155401344. Its totient is φ = 29600240.

The previous prime is 74000617. The next prime is 74000669. The reversal of 74000620 is 2600047.

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, 1849996 + ... + 1850035.

It is an arithmetic number, because the mean of its divisors is an integer number (12950112).

Almost surely, 2^74000620 is an apocalyptic number.

It is an amenable number.

74000620 is an abundant number, since it is smaller than the sum of its proper divisors (81400724).

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

74000620 is a wasteful number, since it uses less digits than its factorization.

74000620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700040 (or 3700038 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 74000620 is about 8602.3613037352. The cubic root of 74000620 is about 419.8348178859.

Adding to 74000620 its reverse (2600047), we get a palindrome (76600667).

The spelling of 74000620 in words is "seventy-four million, six hundred twenty", and thus it is an aban number.