70551425 has 18 divisors (see below), whose sum is σ = 101768598. Its totient is φ = 48377280.

The previous prime is 70551409. The next prime is 70551451. The reversal of 70551425 is 52415507.

It can be written as a sum of positive squares in 3 ways, for example, as 461041 + 70090384 = 679^2 + 8372^2 .

It is not a de Polignac number, because 70551425 - 2⁴ = 70551409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27572 + ... + 30021.

It is an arithmetic number, because the mean of its divisors is an integer number (5653811).

Almost surely, 2^70551425 is an apocalyptic number.

It is an amenable number.

70551425 is a deficient number, since it is larger than the sum of its proper divisors (31217173).

70551425 is a wasteful number, since it uses less digits than its factorization.

70551425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57617 (or 57605 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 70551425 is about 8399.4895678249. The cubic root of 70551425 is about 413.2078815571.

The spelling of 70551425 in words is "seventy million, five hundred fifty-one thousand, four hundred twenty-five".