740947816 has 24 divisors (see below), whose sum is σ = 1616098770. Its totient is φ = 317548896.

The previous prime is 740947813. The next prime is 740947819. The reversal of 740947816 is 618749047.

It is an interprime number because it is at equal distance from previous prime (740947813) and next prime (740947819).

It can be written as a sum of positive squares in only one way, i.e., 711288900 + 29658916 = 26670^2 + 5446^2 .

It is not an unprimeable number, because it can be changed into a prime (740947813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944695 + ... + 945478.

Almost surely, 2^740947816 is an apocalyptic number.

It is an amenable number.

740947816 is an abundant number, since it is smaller than the sum of its proper divisors (875150954).

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

740947816 is a wasteful number, since it uses less digits than its factorization.

740947816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890193 (or 1890182 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 740947816 is about 27220.3566471859. The cubic root of 740947816 is about 904.8901776526.

It can be divided in two parts, 7409 and 47816, that added together give a square (55225 = 235²).

The spelling of 740947816 in words is "seven hundred forty million, nine hundred forty-seven thousand, eight hundred sixteen".