1970747154 has 12 divisors (see below), whose sum is σ = 4269952206. Its totient is φ = 656915712.

The previous prime is 1970747137. The next prime is 1970747161. The reversal of 1970747154 is 4517470791.

It can be written as a sum of positive squares in only one way, i.e., 1430881929 + 539865225 = 37827^2 + 23235^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54742959 + ... + 54742994.

Almost surely, 2^1970747154 is an apocalyptic number.

1970747154 is an abundant number, since it is smaller than the sum of its proper divisors (2299205052).

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

1970747154 is a wasteful number, since it uses less digits than its factorization.

1970747154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109485961 (or 109485958 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 1970747154 is about 44393.0980446285. The cubic root of 1970747154 is about 1253.7481427607.

The spelling of 1970747154 in words is "one billion, nine hundred seventy million, seven hundred forty-seven thousand, one hundred fifty-four".