74981711 has 12 divisors (see below), whose sum is σ = 87372792. Its totient is φ = 64160208.

The previous prime is 74981701. The next prime is 74981729. The reversal of 74981711 is 11718947.

It is a happy number.

It is not a de Polignac number, because 74981711 - 2¹⁰ = 74980687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74981701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42401 + ... + 44133.

It is an arithmetic number, because the mean of its divisors is an integer number (7281066).

Almost surely, 2^74981711 is an apocalyptic number.

74981711 is a deficient number, since it is larger than the sum of its proper divisors (12391081).

74981711 is a wasteful number, since it uses less digits than its factorization.

74981711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630 (or 2623 counting only the distinct ones).

The product of its digits is 14112, while the sum is 38.

The square root of 74981711 is about 8659.1980575571. The cubic root of 74981711 is about 421.6820508863.

The spelling of 74981711 in words is "seventy-four million, nine hundred eighty-one thousand, seven hundred eleven".