42007654 has 24 divisors (see below), whose sum is σ = 70096320. Its totient is φ = 18858528.

The previous prime is 42007643. The next prime is 42007661. The reversal of 42007654 is 45670024.

It is a super-4 number, since 4×42007654⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10827 + ... + 14185.

It is an arithmetic number, because the mean of its divisors is an integer number (2920680).

Almost surely, 2^42007654 is an apocalyptic number.

42007654 is a deficient number, since it is larger than the sum of its proper divisors (28088666).

42007654 is a wasteful number, since it uses less digits than its factorization.

42007654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 42007654 is about 6481.3311904269. The cubic root of 42007654 is about 347.6237786886.

Adding to 42007654 its reverse (45670024), we get a palindrome (87677678).

It can be divided in two parts, 42007 and 654, that multiplied together give a triangular number (27472578 = T₇₄₁₂).

The spelling of 42007654 in words is "forty-two million, seven thousand, six hundred fifty-four".