740137593 has 16 divisors (see below), whose sum is σ = 1064047040. Its totient is φ = 454918464.

The previous prime is 740137589. The next prime is 740137627. The reversal of 740137593 is 395731047.

It is a happy number.

It is not a de Polignac number, because 740137593 - 2² = 740137589 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 not an unprimeable number, because it can be changed into a prime (740137513) 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, 22455 + ... + 44547.

It is an arithmetic number, because the mean of its divisors is an integer number (66502940).

Almost surely, 2^740137593 is an apocalyptic number.

It is an amenable number.

740137593 is a deficient number, since it is larger than the sum of its proper divisors (323909447).

740137593 is a wasteful number, since it uses less digits than its factorization.

740137593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22968.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 740137593 is about 27205.4699095605. The cubic root of 740137593 is about 904.5602262860.

The spelling of 740137593 in words is "seven hundred forty million, one hundred thirty-seven thousand, five hundred ninety-three".