74070890 has 16 divisors (see below), whose sum is σ = 133440480. Its totient is φ = 29603280.

The previous prime is 74070889. The next prime is 74070907. The reversal of 74070890 is 9807047.

It is a self number, because there is not a number n which added to its sum of digits gives 74070890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13445 + ... + 18135.

It is an arithmetic number, because the mean of its divisors is an integer number (8340030).

Almost surely, 2^74070890 is an apocalyptic number.

74070890 is a deficient number, since it is larger than the sum of its proper divisors (59369590).

74070890 is a wasteful number, since it uses less digits than its factorization.

74070890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 74070890 is about 8606.4446782629. Note that the first 3 decimals coincide. The cubic root of 74070890 is about 419.9676656891.

The spelling of 74070890 in words is "seventy-four million, seventy thousand, eight hundred ninety".