740664093 has 16 divisors (see below), whose sum is σ = 1065135680. Its totient is φ = 455099904.

The previous prime is 740664083. The next prime is 740664097. The reversal of 740664093 is 390466047.

It is not a de Polignac number, because 740664093 - 2⁴ = 740664077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740664097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12138 + ... + 40356.

It is an arithmetic number, because the mean of its divisors is an integer number (66570980).

Almost surely, 2^740664093 is an apocalyptic number.

It is an amenable number.

740664093 is a deficient number, since it is larger than the sum of its proper divisors (324471587).

740664093 is a wasteful number, since it uses less digits than its factorization.

740664093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28908.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 740664093 is about 27215.1445522525. The cubic root of 740664093 is about 904.7746630252.

The spelling of 740664093 in words is "seven hundred forty million, six hundred sixty-four thousand, ninety-three".