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74992070 = 257499207
BaseRepresentation
bin1000111100001…
…00100111000110
312020002222210002
410132010213012
5123144221240
611235201302
71600264526
oct436044706
9166088702
1074992070
113937071a
1221146232
13126c8b0a
149d61686
1568b4d15
hex47849c6

74992070 has 8 divisors (see below), whose sum is σ = 134985744. Its totient is φ = 29996824.

The previous prime is 74992061. The next prime is 74992079. The reversal of 74992070 is 7029947.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74992061) and next prime (74992079).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74992079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749594 + ... + 3749613.

It is an arithmetic number, because the mean of its divisors is an integer number (16873218).

Almost surely, 274992070 is an apocalyptic number.

74992070 is a deficient number, since it is larger than the sum of its proper divisors (59993674).

74992070 is a wasteful number, since it uses less digits than its factorization.

74992070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499214.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 74992070 is about 8659.7961869781. The cubic root of 74992070 is about 421.7014689691.

The spelling of 74992070 in words is "seventy-four million, nine hundred ninety-two thousand, seventy".

Divisors: 1 2 5 10 7499207 14998414 37496035 74992070