70448501 has 4 divisors (see below), whose sum is σ = 71777772. Its totient is φ = 69119232.

The previous prime is 70448489. The next prime is 70448507. The reversal of 70448501 is 10584407.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38254225 + 32194276 = 6185^2 + 5674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70448501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70448507) 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, 664556 + ... + 664661.

It is an arithmetic number, because the mean of its divisors is an integer number (17944443).

Almost surely, 2^70448501 is an apocalyptic number.

It is an amenable number.

70448501 is a deficient number, since it is larger than the sum of its proper divisors (1329271).

70448501 is a wasteful number, since it uses less digits than its factorization.

70448501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329270.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 70448501 is about 8393.3605308005. The cubic root of 70448501 is about 413.0068475552.

The spelling of 70448501 in words is "seventy million, four hundred forty-eight thousand, five hundred one".