70461250 has 20 divisors (see below), whose sum is σ = 132074910. Its totient is φ = 28184000.

The previous prime is 70461229. The next prime is 70461257. The reversal of 70461250 is 5216407.

It can be written as a sum of positive squares in 5 ways, for example, as 1687401 + 68773849 = 1299^2 + 8293^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (70461257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26935 + ... + 29434.

Almost surely, 2^70461250 is an apocalyptic number.

70461250 is a deficient number, since it is larger than the sum of its proper divisors (61613660).

70461250 is an equidigital number, since it uses as much as digits as its factorization.

70461250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56391 (or 56376 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 70461250 is about 8394.1199657856. The cubic root of 70461250 is about 413.0317598747.

Adding to 70461250 its reverse (5216407), we get a palindrome (75677657).

The spelling of 70461250 in words is "seventy million, four hundred sixty-one thousand, two hundred fifty".