201307734 has 32 divisors (see below), whose sum is σ = 462780000. Its totient is φ = 64788192.

The previous prime is 201307709. The next prime is 201307739. The reversal of 201307734 is 437703102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 201307698 and 201307707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201307739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62709 + ... + 65840.

It is an arithmetic number, because the mean of its divisors is an integer number (14461875).

Almost surely, 2^201307734 is an apocalyptic number.

201307734 is an abundant number, since it is smaller than the sum of its proper divisors (261472266).

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

201307734 is a wasteful number, since it uses less digits than its factorization.

201307734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128589 (or 128583 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 201307734 is about 14188.2956693184. The cubic root of 201307734 is about 586.0753920713.

The spelling of 201307734 in words is "two hundred one million, three hundred seven thousand, seven hundred thirty-four".