740691378 has 160 divisors (see below), whose sum is σ = 1990517760. Its totient is φ = 201398400.

The previous prime is 740691337. The next prime is 740691403. The reversal of 740691378 is 873196047.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3321375 + ... + 3321597.

It is an arithmetic number, because the mean of its divisors is an integer number (12440736).

Almost surely, 2^740691378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740691378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995258880).

740691378 is an abundant number, since it is smaller than the sum of its proper divisors (1249826382).

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

740691378 is a wasteful number, since it uses less digits than its factorization.

740691378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 365 counting only the distinct ones).

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

The square root of 740691378 is about 27215.6458310289. The cubic root of 740691378 is about 904.7857730879.

The spelling of 740691378 in words is "seven hundred forty million, six hundred ninety-one thousand, three hundred seventy-eight".