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74713970 = 2518733989
BaseRepresentation
bin1000111010000…
…00101101110010
312012120212022002
410131000231302
5123111321340
611225214002
71565025662
oct435005562
9165525262
1074713970
11391a0791
1221031302
131262c366
149ccc1a2
15685c715
hex4740b72

74713970 has 16 divisors (see below), whose sum is σ = 134590680. Its totient is φ = 29862144.

The previous prime is 74713921. The next prime is 74713979. The reversal of 74713970 is 7931747.

It can be written as a sum of positive squares in 4 ways, for example, as 37100281 + 37613689 = 6091^2 + 6133^2 .

It is not an unprimeable number, because it can be changed into a prime (74713979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16736 + ... + 20724.

Almost surely, 274713970 is an apocalyptic number.

74713970 is a deficient number, since it is larger than the sum of its proper divisors (59876710).

74713970 is a wasteful number, since it uses less digits than its factorization.

74713970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 74713970 is about 8643.7243130493. The cubic root of 74713970 is about 421.1795451383.

The spelling of 74713970 in words is "seventy-four million, seven hundred thirteen thousand, nine hundred seventy".

Divisors: 1 2 5 10 1873 3746 3989 7978 9365 18730 19945 39890 7471397 14942794 37356985 74713970