745690 has 16 divisors (see below), whose sum is σ = 1464480. Its totient is φ = 271120.

The previous prime is 745673. The next prime is 745697. The reversal of 745690 is 96547.

745690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×745690² = 1112107152200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (745697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3280 + ... + 3499.

It is an arithmetic number, because the mean of its divisors is an integer number (91530).

2⁷⁴⁵⁶⁹⁰ is an apocalyptic number.

745690 is a deficient number, since it is larger than the sum of its proper divisors (718790).

745690 is a wasteful number, since it uses less digits than its factorization.

745690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6797.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 745690 is about 863.5334388430. The cubic root of 745690 is about 90.6816554180.

The spelling of 745690 in words is "seven hundred forty-five thousand, six hundred ninety".