70724260346 has 4 divisors (see below), whose sum is σ = 106086390522. Its totient is φ = 35362130172.

The previous prime is 70724260333. The next prime is 70724260351. The reversal of 70724260346 is 64306242707.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48556326025 + 22167934321 = 220355^2 + 148889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17681065085 + ... + 17681065088.

Almost surely, 2^70724260346 is an apocalyptic number.

70724260346 is a deficient number, since it is larger than the sum of its proper divisors (35362130176).

70724260346 is a wasteful number, since it uses less digits than its factorization.

70724260346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35362130175.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 70724260346 in words is "seventy billion, seven hundred twenty-four million, two hundred sixty thousand, three hundred forty-six".