740378331 has 24 divisors (see below), whose sum is σ = 1333323264. Its totient is φ = 384611760.

The previous prime is 740378321. The next prime is 740378347. The reversal of 740378331 is 133873047.

It is not a de Polignac number, because 740378331 - 2⁶ = 740378267 is a prime.

It is a super-2 number, since 2×740378331² = 1096320146028691122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (740378311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533491 + ... + 534876.

It is an arithmetic number, because the mean of its divisors is an integer number (55555136).

Almost surely, 2^740378331 is an apocalyptic number.

740378331 is a deficient number, since it is larger than the sum of its proper divisors (592944933).

740378331 is a wasteful number, since it uses less digits than its factorization.

740378331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068391 (or 1068388 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 740378331 is about 27209.8939909732. The cubic root of 740378331 is about 904.6582884194.

The spelling of 740378331 in words is "seven hundred forty million, three hundred seventy-eight thousand, three hundred thirty-one".