740801231 has 4 divisors (see below), whose sum is σ = 784377792. Its totient is φ = 697224672.

The previous prime is 740801213. The next prime is 740801297. The reversal of 740801231 is 132108047.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-740801231 is a prime.

It is a super-2 number, since 2×740801231² = 1097572927702230722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740801231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740800231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21788255 + ... + 21788288.

It is an arithmetic number, because the mean of its divisors is an integer number (196094448).

Almost surely, 2^740801231 is an apocalyptic number.

740801231 is a deficient number, since it is larger than the sum of its proper divisors (43576561).

740801231 is a wasteful number, since it uses less digits than its factorization.

740801231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43576560.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 740801231 is about 27217.6639519265. The cubic root of 740801231 is about 904.8305009017.

Adding to 740801231 its reverse (132108047), we get a palindrome (872909278).

The spelling of 740801231 in words is "seven hundred forty million, eight hundred one thousand, two hundred thirty-one".