83739772 has 6 divisors (see below), whose sum is σ = 146544608. Its totient is φ = 41869884.

The previous prime is 83739737. The next prime is 83739793. The reversal of 83739772 is 27793738.

It is a super-2 number, since 2×83739772² = 14024698829223968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10467468 + ... + 10467475.

Almost surely, 2^83739772 is an apocalyptic number.

It is an amenable number.

83739772 is a deficient number, since it is larger than the sum of its proper divisors (62804836).

83739772 is a wasteful number, since it uses less digits than its factorization.

83739772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20934947 (or 20934945 counting only the distinct ones).

The product of its digits is 444528, while the sum is 46.

The square root of 83739772 is about 9150.9437764637. The cubic root of 83739772 is about 437.4991947740.

It can be divided in two parts, 8373 and 9772, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 83739772 in words is "eighty-three million, seven hundred thirty-nine thousand, seven hundred seventy-two".