709400427 has 8 divisors (see below), whose sum is σ = 946404864. Its totient is φ = 472664808.

The previous prime is 709400423. The next prime is 709400453. The reversal of 709400427 is 724004907.

709400427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 709400427 - 2² = 709400423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (709400423) 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, 60963 + ... + 71660.

It is an arithmetic number, because the mean of its divisors is an integer number (118300608).

Almost surely, 2^709400427 is an apocalyptic number.

709400427 is a deficient number, since it is larger than the sum of its proper divisors (237004437).

709400427 is a wasteful number, since it uses less digits than its factorization.

709400427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134409.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 709400427 is about 26634.5720258464. The cubic root of 709400427 is about 891.8609493714.

The spelling of 709400427 in words is "seven hundred nine million, four hundred thousand, four hundred twenty-seven".