70742125 has 8 divisors (see below), whose sum is σ = 88286328. Its totient is φ = 56593600.

The previous prime is 70742101. The next prime is 70742129. The reversal of 70742125 is 52124707.

It can be written as a sum of positive squares in 4 ways, for example, as 1036324 + 69705801 = 1018^2 + 8349^2 .

It is not a de Polignac number, because 70742125 - 2¹³ = 70733933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70742093 and 70742102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70742129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282844 + ... + 283093.

It is an arithmetic number, because the mean of its divisors is an integer number (11035791).

Almost surely, 2^70742125 is an apocalyptic number.

It is an amenable number.

70742125 is a deficient number, since it is larger than the sum of its proper divisors (17544203).

70742125 is an equidigital number, since it uses as much as digits as its factorization.

70742125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565952 (or 565942 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 70742125 is about 8410.8337874434. The cubic root of 70742125 is about 413.5798459408.

The spelling of 70742125 in words is "seventy million, seven hundred forty-two thousand, one hundred twenty-five".