70225357 has 4 divisors (see below), whose sum is σ = 70253820. Its totient is φ = 70196896.

The previous prime is 70225307. The next prime is 70225367. The reversal of 70225357 is 75352207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75352207 = 7 ⋅10764601.

It can be written as a sum of positive squares in 2 ways, for example, as 37380996 + 32844361 = 6114^2 + 5731^2 .

It is a cyclic number.

It is not a de Polignac number, because 70225357 - 2⁷ = 70225229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70225307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10138 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (17563455).

Almost surely, 2^70225357 is an apocalyptic number.

It is an amenable number.

70225357 is a deficient number, since it is larger than the sum of its proper divisors (28463).

70225357 is a wasteful number, since it uses less digits than its factorization.

70225357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28462.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 70225357 is about 8380.0571000441. The cubic root of 70225357 is about 412.5703231193.

The spelling of 70225357 in words is "seventy million, two hundred twenty-five thousand, three hundred fifty-seven".