201672738 has 48 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 64819872.

The previous prime is 201672733. The next prime is 201672749. The reversal of 201672738 is 837276102.

It is not an unprimeable number, because it can be changed into a prime (201672733) 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, 54495 + ... + 58077.

It is an arithmetic number, because the mean of its divisors is an integer number (9434880).

Almost surely, 2^201672738 is an apocalyptic number.

201672738 is an abundant number, since it is smaller than the sum of its proper divisors (251201502).

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

201672738 is a wasteful number, since it uses less digits than its factorization.

201672738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 201672738 is about 14201.1526996931. The cubic root of 201672738 is about 586.4293951981.

The spelling of 201672738 in words is "two hundred one million, six hundred seventy-two thousand, seven hundred thirty-eight".