740851672 has 64 divisors (see below), whose sum is σ = 1549497600. Its totient is φ = 329235840.

The previous prime is 740851637. The next prime is 740851681. The reversal of 740851672 is 276158047.

It is a super-2 number, since 2×740851672² = 1097722399810391168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521013 + ... + 1521499.

It is an arithmetic number, because the mean of its divisors is an integer number (24210900).

Almost surely, 2^740851672 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 740851672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774748800).

740851672 is an abundant number, since it is smaller than the sum of its proper divisors (808645928).

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

740851672 is a wasteful number, since it uses less digits than its factorization.

740851672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 740851672 is about 27218.5905586605. The cubic root of 740851672 is about 904.8510370084.

It can be divided in two parts, 74085 and 1672, that added together give a palindrome (75757).

The spelling of 740851672 in words is "seven hundred forty million, eight hundred fifty-one thousand, six hundred seventy-two".