351554742 has 80 divisors (see below), whose sum is σ = 982156032. Its totient is φ = 91309680.

The previous prime is 351554737. The next prime is 351554743. The reversal of 351554742 is 247455153.

351554742 is a `hidden beast` number, since 35 + 1 + 554 + 74 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 351554697 and 351554706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351554743) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1618 + ... + 26565.

Almost surely, 2^351554742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351554742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491078016).

351554742 is an abundant number, since it is smaller than the sum of its proper divisors (630601290).

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

351554742 is a wasteful number, since it uses less digits than its factorization.

351554742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28215 (or 28206 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 351554742 is about 18749.7931188587. The cubic root of 351554742 is about 705.7718301150.

The spelling of 351554742 in words is "three hundred fifty-one million, five hundred fifty-four thousand, seven hundred forty-two".