706225437 has 6 divisors (see below), whose sum is σ = 1020103422. Its totient is φ = 470816952.

The previous prime is 706225417. The next prime is 706225439. The reversal of 706225437 is 734522607.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 706177476 + 47961 = 26574^2 + 219^2 .

It is not a de Polignac number, because 706225437 - 2⁸ = 706225181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706225439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39234738 + ... + 39234755.

It is an arithmetic number, because the mean of its divisors is an integer number (170017237).

Almost surely, 2^706225437 is an apocalyptic number.

It is an amenable number.

706225437 is a deficient number, since it is larger than the sum of its proper divisors (313877985).

706225437 is a wasteful number, since it uses less digits than its factorization.

706225437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78469499 (or 78469496 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 706225437 is about 26574.9023892845. The cubic root of 706225437 is about 890.5284228870.

The spelling of 706225437 in words is "seven hundred six million, two hundred twenty-five thousand, four hundred thirty-seven".