70001505 has 96 divisors (see below), whose sum is σ = 146764800. Its totient is φ = 30191616.

The previous prime is 70001497. The next prime is 70001507. The reversal of 70001505 is 50510007.

It is a happy number.

It is not a de Polignac number, because 70001505 - 2³ = 70001497 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70001507) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 721617 + ... + 721713.

It is an arithmetic number, because the mean of its divisors is an integer number (1528800).

Almost surely, 2^70001505 is an apocalyptic number.

It is an amenable number.

70001505 is an abundant number, since it is smaller than the sum of its proper divisors (76763295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70001505 is a wasteful number, since it uses less digits than its factorization.

70001505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 70001505 is about 8366.6902058102. The cubic root of 70001505 is about 412.1314835475.

The spelling of 70001505 in words is "seventy million, one thousand, five hundred five".