740834240 has 28 divisors (see below), whose sum is σ = 1764112296. Its totient is φ = 296333568.

The previous prime is 740834233. The next prime is 740834273. The reversal of 740834240 is 42438047.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 740834197 and 740834206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157234 + ... + 1157873.

Almost surely, 2^740834240 is an apocalyptic number.

It is an amenable number.

740834240 is an abundant number, since it is smaller than the sum of its proper divisors (1023278056).

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

740834240 is a wasteful number, since it uses less digits than its factorization.

740834240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315124 (or 2315114 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 740834240 is about 27218.2703344647. The cubic root of 740834240 is about 904.8439400021.

The spelling of 740834240 in words is "seven hundred forty million, eight hundred thirty-four thousand, two hundred forty".