70452551 has 24 divisors (see below), whose sum is σ = 82613520. Its totient is φ = 59844096.

The previous prime is 70452521. The next prime is 70452559. The reversal of 70452551 is 15525407.

It is a de Polignac number, because none of the positive numbers 2^k-70452551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70452559) 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 23 ways as a sum of consecutive naturals, for example, 118511 + ... + 119103.

It is an arithmetic number, because the mean of its divisors is an integer number (3442230).

Almost surely, 2^70452551 is an apocalyptic number.

70452551 is a deficient number, since it is larger than the sum of its proper divisors (12160969).

70452551 is a wasteful number, since it uses less digits than its factorization.

70452551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 70452551 is about 8393.6017894584. The cubic root of 70452551 is about 413.0147618266.

Adding to 70452551 its reverse (15525407), we get a palindrome (85977958).

The spelling of 70452551 in words is "seventy million, four hundred fifty-two thousand, five hundred fifty-one".