709427487 has 16 divisors (see below), whose sum is σ = 955734912. Its totient is φ = 468056160.

The previous prime is 709427431. The next prime is 709427489. The reversal of 709427487 is 784724907.

It is not a de Polignac number, because 709427487 - 2²² = 705233183 is a prime.

It is a super-2 number, since 2×709427487² = 1006574718622270338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709427489) 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, 153748 + ... + 158294.

It is an arithmetic number, because the mean of its divisors is an integer number (59733432).

Almost surely, 2^709427487 is an apocalyptic number.

709427487 is a deficient number, since it is larger than the sum of its proper divisors (246307425).

709427487 is a wasteful number, since it uses less digits than its factorization.

709427487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078.

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 709427487 is about 26635.0800073888. The cubic root of 709427487 is about 891.8722892060.

The spelling of 709427487 in words is "seven hundred nine million, four hundred twenty-seven thousand, four hundred eighty-seven".