70152729 has 4 divisors (see below), whose sum is σ = 93536976. Its totient is φ = 46768484.

The previous prime is 70152713. The next prime is 70152767. The reversal of 70152729 is 92725107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70152729 - 2⁴ = 70152713 is a prime.

It is a super-2 number, since 2×70152729² = 9842810772294882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70152729.

It is not an unprimeable number, because it can be changed into a prime (70152799) 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, 11692119 + ... + 11692124.

It is an arithmetic number, because the mean of its divisors is an integer number (23384244).

Almost surely, 2^70152729 is an apocalyptic number.

It is an amenable number.

70152729 is a deficient number, since it is larger than the sum of its proper divisors (23384247).

70152729 is a wasteful number, since it uses less digits than its factorization.

70152729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23384246.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 70152729 is about 8375.7225956929. The cubic root of 70152729 is about 412.4280454842.

The spelling of 70152729 in words is "seventy million, one hundred fifty-two thousand, seven hundred twenty-nine".