709695090 has 192 divisors, whose sum is σ = 2173796352. Its totient is φ = 158976000.

The previous prime is 709695043. The next prime is 709695109. The reversal of 709695090 is 90596907.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 616015 + ... + 617165.

It is an arithmetic number, because the mean of its divisors is an integer number (11321856).

Almost surely, 2^709695090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709695090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086898176).

709695090 is an abundant number, since it is smaller than the sum of its proper divisors (1464101262).

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

709695090 is a wasteful number, since it uses less digits than its factorization.

709695090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 709695090 is about 26640.1030403413. The cubic root of 709695090 is about 891.9844160978.

The spelling of 709695090 in words is "seven hundred nine million, six hundred ninety-five thousand, ninety".