70734147 has 8 divisors (see below), whose sum is σ = 102886080. Its totient is φ = 42869160.

The previous prime is 70734101. The next prime is 70734149. The reversal of 70734147 is 74143707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70734147 - 2⁸ = 70733891 is a prime.

It is a super-5 number, since 5×70734147⁵ (a number of 40 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2143459 = 70734147 / (7 + 0 + 7 + 3 + 4 + 1 + 4 + 7).

It is not an unprimeable number, because it can be changed into a prime (70734149) 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, 1071697 + ... + 1071762.

It is an arithmetic number, because the mean of its divisors is an integer number (12860760).

Almost surely, 2^70734147 is an apocalyptic number.

70734147 is a deficient number, since it is larger than the sum of its proper divisors (32151933).

70734147 is a wasteful number, since it uses less digits than its factorization.

70734147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143473.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 70734147 is about 8410.3595048012. The cubic root of 70734147 is about 413.5642980898.

The spelling of 70734147 in words is "seventy million, seven hundred thirty-four thousand, one hundred forty-seven".