70200149 has 4 divisors (see below), whose sum is σ = 70736160. Its totient is φ = 69664140.

The previous prime is 70200103. The next prime is 70200181. The reversal of 70200149 is 94100207.

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 70200149 - 2⁸ = 70199893 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 (70200349) 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, 267809 + ... + 268070.

It is an arithmetic number, because the mean of its divisors is an integer number (17684040).

Almost surely, 2^70200149 is an apocalyptic number.

It is an amenable number.

70200149 is a deficient number, since it is larger than the sum of its proper divisors (536011).

70200149 is a wasteful number, since it uses less digits than its factorization.

70200149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536010.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70200149 is about 8378.5529180163. The cubic root of 70200149 is about 412.5209519814.

The spelling of 70200149 in words is "seventy million, two hundred thousand, one hundred forty-nine".