1906532742 has 16 divisors (see below), whose sum is σ = 3859007040. Its totient is φ = 627853992.

The previous prime is 1906532737. The next prime is 1906532807. The reversal of 1906532742 is 2472356091.

It is a self number, because there is not a number n which added to its sum of digits gives 1906532742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913692 + ... + 1914687.

It is an arithmetic number, because the mean of its divisors is an integer number (241187940).

Almost surely, 2^1906532742 is an apocalyptic number.

1906532742 is an abundant number, since it is smaller than the sum of its proper divisors (1952474298).

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

1906532742 is a wasteful number, since it uses less digits than its factorization.

1906532742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828467.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1906532742 is about 43663.8608233399. The cubic root of 1906532742 is about 1239.9802160388.

The spelling of 1906532742 in words is "one billion, nine hundred six million, five hundred thirty-two thousand, seven hundred forty-two".