740517492 has 96 divisors (see below), whose sum is σ = 2036643840. Its totient is φ = 206455680.

The previous prime is 740517461. The next prime is 740517493. The reversal of 740517492 is 294715047.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 740517492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740517493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752833 + ... + 753815.

It is an arithmetic number, because the mean of its divisors is an integer number (21215040).

Almost surely, 2^740517492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740517492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018321920).

740517492 is an abundant number, since it is smaller than the sum of its proper divisors (1296126348).

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

740517492 is a wasteful number, since it uses less digits than its factorization.

740517492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 740517492 is about 27212.4510472688. The cubic root of 740517492 is about 904.7149645177.

The spelling of 740517492 in words is "seven hundred forty million, five hundred seventeen thousand, four hundred ninety-two".