745031000 has 64 divisors (see below), whose sum is σ = 1992444480. Its totient is φ = 255436800.

The previous prime is 745030987. The next prime is 745031057. The reversal of 745031000 is 130547.

It is a happy number.

It is a super-2 number, since 2×745031000² = 1110142381922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46217 + ... + 60216.

It is an arithmetic number, because the mean of its divisors is an integer number (31131945).

Almost surely, 2^745031000 is an apocalyptic number.

745031000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

745031000 is an abundant number, since it is smaller than the sum of its proper divisors (1247413480).

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

745031000 is a wasteful number, since it uses less digits than its factorization.

745031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106461 (or 106447 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 745031000 is about 27295.2559980668. The cubic root of 745031000 is about 906.5493438396.

Adding to 745031000 its reverse (130547), we get a palindrome (745161547).

The spelling of 745031000 in words is "seven hundred forty-five million, thirty-one thousand".