740731542 has 16 divisors (see below), whose sum is σ = 1486522800. Its totient is φ = 246067232.

The previous prime is 740731507. The next prime is 740731547. The reversal of 740731542 is 245137047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740731547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208917 + ... + 212432.

It is an arithmetic number, because the mean of its divisors is an integer number (92907675).

Almost surely, 2^740731542 is an apocalyptic number.

740731542 is an abundant number, since it is smaller than the sum of its proper divisors (745791258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

740731542 is a wasteful number, since it uses less digits than its factorization.

740731542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421647.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 740731542 is about 27216.3837054080. The cubic root of 740731542 is about 904.8021267992.

Adding to 740731542 its reverse (245137047), we get a palindrome (985868589).

The spelling of 740731542 in words is "seven hundred forty million, seven hundred thirty-one thousand, five hundred forty-two".