745091494 has 32 divisors (see below), whose sum is σ = 1293566976. Its totient is φ = 315277920.

The previous prime is 745091491. The next prime is 745091507. The reversal of 745091494 is 494190547.

It is a super-2 number, since 2×745091494² = 1110322668862304072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745091494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745091491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701724 + ... + 702784.

It is an arithmetic number, because the mean of its divisors is an integer number (40423968).

Almost surely, 2^745091494 is an apocalyptic number.

745091494 is a deficient number, since it is larger than the sum of its proper divisors (548475482).

745091494 is a wasteful number, since it uses less digits than its factorization.

745091494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 745091494 is about 27296.3641168563. The cubic root of 745091494 is about 906.5738794235.

The spelling of 745091494 in words is "seven hundred forty-five million, ninety-one thousand, four hundred ninety-four".