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72974692 = 2274795441
BaseRepresentation
bin1000101100110…
…00000101100100
312002022111110101
410112120011210
5122140142232
611124033444
71544163130
oct426300544
9162274411
1072974692
1138212a6a
1220532884
13121707bb
1499983c0
1566171e7
hex4598164

72974692 has 24 divisors (see below), whose sum is σ = 146280960. Its totient is φ = 31203840.

The previous prime is 72974689. The next prime is 72974731. The reversal of 72974692 is 29647927.

It is a happy 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, 10692 + ... + 16132.

It is an arithmetic number, because the mean of its divisors is an integer number (6095040).

Almost surely, 272974692 is an apocalyptic number.

It is an amenable number.

72974692 is an abundant number, since it is smaller than the sum of its proper divisors (73306268).

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

72974692 is a wasteful number, since it uses less digits than its factorization.

72974692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931 (or 5929 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 72974692 is about 8542.5225782552. The cubic root of 72974692 is about 417.8856169250.

The spelling of 72974692 in words is "seventy-two million, nine hundred seventy-four thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 28 479 958 1916 3353 5441 6706 10882 13412 21764 38087 76174 152348 2606239 5212478 10424956 18243673 36487346 72974692