706515420 has 192 divisors, whose sum is σ = 2239856640. Its totient is φ = 165196800.

The previous prime is 706515409. The next prime is 706515431. The reversal of 706515420 is 24515607.

It is an interprime number because it is at equal distance from previous prime (706515409) and next prime (706515431).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1474741 + ... + 1475219.

It is an arithmetic number, because the mean of its divisors is an integer number (11665920).

Almost surely, 2^706515420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 706515420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119928320).

706515420 is an abundant number, since it is smaller than the sum of its proper divisors (1533341220).

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

706515420 is a wasteful number, since it uses less digits than its factorization.

706515420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 706515420 is about 26580.3577854024. The cubic root of 706515420 is about 890.6502927382.

The spelling of 706515420 in words is "seven hundred six million, five hundred fifteen thousand, four hundred twenty".