70453512 has 24 divisors (see below), whose sum is σ = 190811790. Its totient is φ = 23484480.

The previous prime is 70453511. The next prime is 70453519. The reversal of 70453512 is 21535407.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36650916 + 33802596 = 6054^2 + 5814^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (70453511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 489189 + ... + 489332.

Almost surely, 2^70453512 is an apocalyptic number.

70453512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70453512 is an abundant number, since it is smaller than the sum of its proper divisors (120358278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70453512 is a wasteful number, since it uses less digits than its factorization.

70453512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978533 (or 978526 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 70453512 is about 8393.6590352480. The cubic root of 70453512 is about 413.0166397117.

Adding to 70453512 its reverse (21535407), we get a palindrome (91988919).

The spelling of 70453512 in words is "seventy million, four hundred fifty-three thousand, five hundred twelve".