740378169 has 48 divisors (see below), whose sum is σ = 1165881600. Its totient is φ = 450961920.

The previous prime is 740378153. The next prime is 740378179. The reversal of 740378169 is 961873047.

It is not a de Polignac number, because 740378169 - 2⁴ = 740378153 is a prime.

It is a super-2 number, since 2×740378169² = 1096319666263585122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (740378129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1071114 + ... + 1071804.

It is an arithmetic number, because the mean of its divisors is an integer number (24289200).

Almost surely, 2^740378169 is an apocalyptic number.

It is an amenable number.

740378169 is a deficient number, since it is larger than the sum of its proper divisors (425503431).

740378169 is a wasteful number, since it uses less digits than its factorization.

740378169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 740378169 is about 27209.8910141147. The cubic root of 740378169 is about 904.6582224375.

The spelling of 740378169 in words is "seven hundred forty million, three hundred seventy-eight thousand, one hundred sixty-nine".