1974135670 has 16 divisors (see below), whose sum is σ = 3826786320. Its totient is φ = 728911584.

The previous prime is 1974135643. The next prime is 1974135671. The reversal of 1974135670 is 765314791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974135671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7592700 + ... + 7592959.

It is an arithmetic number, because the mean of its divisors is an integer number (239174145).

Almost surely, 2^1974135670 is an apocalyptic number.

1974135670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1974135670 is a deficient number, since it is larger than the sum of its proper divisors (1852650650).

1974135670 is a wasteful number, since it uses less digits than its factorization.

1974135670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185679.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 1974135670 is about 44431.2465501476. The cubic root of 1974135670 is about 1254.4662989988.

The spelling of 1974135670 in words is "one billion, nine hundred seventy-four million, one hundred thirty-five thousand, six hundred seventy".