740778726 has 32 divisors (see below), whose sum is σ = 1613318400. Its totient is φ = 225862560.

The previous prime is 740778691. The next prime is 740778737. The reversal of 740778726 is 627877047.

740778726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 108730 + ... + 115341.

It is an arithmetic number, because the mean of its divisors is an integer number (50416200).

Almost surely, 2^740778726 is an apocalyptic number.

740778726 is an abundant number, since it is smaller than the sum of its proper divisors (872539674).

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

740778726 is a wasteful number, since it uses less digits than its factorization.

740778726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224124.

The product of its (nonzero) digits is 921984, while the sum is 48.

The square root of 740778726 is about 27217.2505224168. The cubic root of 740778726 is about 904.8213381125.

The spelling of 740778726 in words is "seven hundred forty million, seven hundred seventy-eight thousand, seven hundred twenty-six".