740634478 has 32 divisors (see below), whose sum is σ = 1250346240. Its totient is φ = 326954880.

The previous prime is 740634473. The next prime is 740634491. The reversal of 740634478 is 874436047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740634473) 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, 60973 + ... + 72103.

It is an arithmetic number, because the mean of its divisors is an integer number (39073320).

Almost surely, 2^740634478 is an apocalyptic number.

740634478 is a deficient number, since it is larger than the sum of its proper divisors (509711762).

740634478 is a wasteful number, since it uses less digits than its factorization.

740634478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11272.

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 740634478 is about 27214.6004563727. The cubic root of 740634478 is about 904.7626039109.

The spelling of 740634478 in words is "seven hundred forty million, six hundred thirty-four thousand, four hundred seventy-eight".