1742420190 has 64 divisors (see below), whose sum is σ = 4880922624. Its totient is φ = 389791488.

The previous prime is 1742420167. The next prime is 1742420201. The reversal of 1742420190 is 910242471.

It is a super-2 number, since 2×1742420190² = 6072056237039272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78399 + ... + 98138.

It is an arithmetic number, because the mean of its divisors is an integer number (76264416).

Almost surely, 2^1742420190 is an apocalyptic number.

1742420190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1742420190 is an abundant number, since it is smaller than the sum of its proper divisors (3138502434).

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

1742420190 is a wasteful number, since it uses less digits than its factorization.

1742420190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176601.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1742420190 is about 41742.3069558931. The cubic root of 1742420190 is about 1203.3287645119.

The spelling of 1742420190 in words is "one billion, seven hundred forty-two million, four hundred twenty thousand, one hundred ninety".