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74944970 = 257494497
BaseRepresentation
bin1000111011110…
…01000111001010
312020000121011122
410131321013022
5123141214340
611234155242
71600010312
oct435710712
9166017148
1074944970
11393392a1
1221122b22
13126b0549
149d4c442
1568a5db5
hex47791ca

74944970 has 8 divisors (see below), whose sum is σ = 134900964. Its totient is φ = 29977984.

The previous prime is 74944967. The next prime is 74944981. The reversal of 74944970 is 7944947.

It can be written as a sum of positive squares in 2 ways, for example, as 74425129 + 519841 = 8627^2 + 721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747239 + ... + 3747258.

Almost surely, 274944970 is an apocalyptic number.

74944970 is a deficient number, since it is larger than the sum of its proper divisors (59955994).

74944970 is a wasteful number, since it uses less digits than its factorization.

74944970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494504.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 74944970 is about 8657.0762963023. The cubic root of 74944970 is about 421.6131649707.

The spelling of 74944970 in words is "seventy-four million, nine hundred forty-four thousand, nine hundred seventy".

Divisors: 1 2 5 10 7494497 14988994 37472485 74944970