740634542 has 8 divisors (see below), whose sum is σ = 1111204632. Its totient is φ = 370233000.

The previous prime is 740634541. The next prime is 740634571. The reversal of 740634542 is 245436047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740634541) 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, 30509 + ... + 49112.

It is an arithmetic number, because the mean of its divisors is an integer number (138900579).

Almost surely, 2^740634542 is an apocalyptic number.

740634542 is a deficient number, since it is larger than the sum of its proper divisors (370570090).

740634542 is a wasteful number, since it uses less digits than its factorization.

740634542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84274.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 740634542 is about 27214.6016322121. The cubic root of 740634542 is about 904.7626299718.

The spelling of 740634542 in words is "seven hundred forty million, six hundred thirty-four thousand, five hundred forty-two".