745691000 has 64 divisors (see below), whose sum is σ = 1757976480. Its totient is φ = 296044800.

The previous prime is 745690999. The next prime is 745691003. The reversal of 745691000 is 196547.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745691003) 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, 134279 + ... + 139721.

Almost surely, 2^745691000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745691000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878988240).

745691000 is an abundant number, since it is smaller than the sum of its proper divisors (1012285480).

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

745691000 is a wasteful number, since it uses less digits than its factorization.

745691000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 745691000 is about 27307.3433347149. The cubic root of 745691000 is about 906.8169595385.

The spelling of 745691000 in words is "seven hundred forty-five million, six hundred ninety-one thousand".