740004381 has 12 divisors (see below), whose sum is σ = 1125153120. Its totient is φ = 467371080.

The previous prime is 740004371. The next prime is 740004383. The reversal of 740004381 is 183400047.

It is not a de Polignac number, because 740004381 - 2²⁵ = 706449949 is a prime.

It is a super-2 number, since 2×740004381² = 1095212967798386322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740004383) 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, 2163585 + ... + 2163926.

It is an arithmetic number, because the mean of its divisors is an integer number (93762760).

Almost surely, 2^740004381 is an apocalyptic number.

It is an amenable number.

740004381 is a deficient number, since it is larger than the sum of its proper divisors (385148739).

740004381 is a wasteful number, since it uses less digits than its factorization.

740004381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327536 (or 4327533 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 740004381 is about 27203.0215417332. The cubic root of 740004381 is about 904.5059546172.

The spelling of 740004381 in words is "seven hundred forty million, four thousand, three hundred eighty-one".