1742920893 has 24 divisors (see below), whose sum is σ = 2880940608. Its totient is φ = 994660992.

The previous prime is 1742920819. The next prime is 1742920897. The reversal of 1742920893 is 3980292471.

1742920893 is a `hidden beast` number, since 17 + 429 + 208 + 9 + 3 = 666.

It is not a de Polignac number, because 1742920893 - 2⁸ = 1742920637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742920897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32005 + ... + 67157.

It is an arithmetic number, because the mean of its divisors is an integer number (120039192).

Almost surely, 2^1742920893 is an apocalyptic number.

It is an amenable number.

1742920893 is a deficient number, since it is larger than the sum of its proper divisors (1138019715).

1742920893 is a wasteful number, since it uses less digits than its factorization.

1742920893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35953 (or 35950 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1742920893 is about 41748.3040733393. The cubic root of 1742920893 is about 1203.4440165854. Note that the first 3 decimals are identical.

The spelling of 1742920893 in words is "one billion, seven hundred forty-two million, nine hundred twenty thousand, eight hundred ninety-three".