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74430836 = 22671931439
BaseRepresentation
bin1000110111110…
…11100101110100
312012001110220122
410123323211310
5123023241321
611215151112
71562436344
oct433734564
9165043818
1074430836
1139017a97
1220b15498
131256051c
149c56d24
1568038ab
hex46fb974

74430836 has 24 divisors (see below), whose sum is σ = 132975360. Its totient is φ = 36444672.

The previous prime is 74430833. The next prime is 74430857. The reversal of 74430836 is 63803447.

It is a junction number, because it is equal to n+sod(n) for n = 74430796 and 74430805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74430833) 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, 51005 + ... + 52443.

It is an arithmetic number, because the mean of its divisors is an integer number (5540640).

Almost surely, 274430836 is an apocalyptic number.

It is an amenable number.

74430836 is a deficient number, since it is larger than the sum of its proper divisors (58544524).

74430836 is a wasteful number, since it uses less digits than its factorization.

74430836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 74430836 is about 8627.3307575402. The cubic root of 74430836 is about 420.6468415351.

The spelling of 74430836 in words is "seventy-four million, four hundred thirty thousand, eight hundred thirty-six".

Divisors: 1 2 4 67 134 193 268 386 772 1439 2878 5756 12931 25862 51724 96413 192826 277727 385652 555454 1110908 18607709 37215418 74430836