70549425 has 18 divisors (see below), whose sum is σ = 126362262. Its totient is φ = 37626240.

The previous prime is 70549411. The next prime is 70549433. The reversal of 70549425 is 52494507.

70549425 is a `hidden beast` number, since 70 + 549 + 42 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 15374241 + 55175184 = 3921^2 + 7428^2 .

It is not a de Polignac number, because 70549425 - 2⁵ = 70549393 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70549425.

It is a congruent 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, 156552 + ... + 157001.

Almost surely, 2^70549425 is an apocalyptic number.

70549425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70549425 is a deficient number, since it is larger than the sum of its proper divisors (55812837).

70549425 is a wasteful number, since it uses less digits than its factorization.

70549425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313569 (or 313561 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 70549425 is about 8399.3705121277. The cubic root of 70549425 is about 413.2039769652.

The spelling of 70549425 in words is "seventy million, five hundred forty-nine thousand, four hundred twenty-five".